Table 2.

Univariate analysis of factors associated with CKD

Variables	HR (95% CI)	p-value
Age	1.1 (1.04–1.16)	0.001
Sex
F	Ref.	Ref.
M	0.84 (0.28–2.59)	0.727
BMI	1.08 (0.93–1.25)	0.286
ASA
1	Ref.	Ref.
2	2.24 (0.65–7.76)	0.202
3	3.72 (0.65–21.33)	0.141
HTN (yes)	5.5 (1.69–17.88)	0.005
DM (yes)	1.6 (0.35–7.28)	0.551
Dyslipidemia (yes)	0.9 (0.2–4.07)	0.875
Tumor size	1.15 (0.83–1.6)	0.264
TOTAL OP TIME	1 (0.99–1.01)	0.827
CLAMP_TYPE
0	Ref.
1	1.43 (0.26–7.8)	0.680
2	1.15 (0.24–5.57)	0.866
Preoperative eGFR (mL/min/1.73 m²)	0.92 (0.88–0.97)	0.002
Immediate postoperative eGFR	0.95 (0.91–0.99)	0.008
6-month postoperative eGFR	0.88 (0.84–0.93)	0.001
1-year postoperative eGFR	0.87 (0.83–0.92)	0.001
Preoperative creatinine	1.84 (0.33–10.27)	0.524
Immediate postoperative creatinine	1.74 (0.34–8.78)	0.521
6-month postoperative creatinine	5.22 (1.64–16.60)	0.005
1-year postoperative creatinine	5.36 (1.75–16.40)	0.003
R.E.N.A.L. score
Low complexity	Ref.
Intermediate complexity	1.78 (0.42–7.45)	0.431
High complexity	4.41 (1.05–18.58)	0.043
PostTKV	0.99 (0.99-1.0)	0.070
PostOKV	0.99 (0.98-1.0)	0.173
PreTKV (n = 170)	0.98 (0.96-1.0)	0.013
TotalTKV/BW	0.95 (0.93–0.97)	0.005

*Abbreviations: PostTKV postoperative total kidney volume, PostOKV postoperative operated kidney volume, eGFR estimated glomerular filtration rate